Sifter pan



FIG. 1 is a top perspective view of a sifter pan showing my new design;

FIG. 2 is a front elevational view thereof, with the rear elevational view being identical thereto;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side elevational view thereof, with the left side elevational view being identical thereto; and,

FIG. 6 is a bottom perspective view thereof. 

CLAIM The ornamental design for a sifter pan, as shown and described. 